Modifying the hip abduction angle during bridging exercise can facilitate gluteus maximus activity

Manual Therapy
Sun-Young KangHye-Seon Jeon

Abstract

To investigate how the erector spinae (ES) and gluteus maximus (GM) muscle activity and the anterior pelvic tilt angle change with different hip abduction angles during a bridging exercise. Twenty healthy participants (10 males and 10 females, aged 21.6 ± 1.6) voluntarily participated in this study. Surface electromyography (EMG) signals were recorded from the ES and GM during bridging at three hip abduction angles: 0°, 15°, and 30°. Simultaneously, the anterior pelvic tilt angle was measured using Image J software. The EMG amplitude of the GM muscle and the GM/ES EMG ratio were greatest at 30° hip abduction, followed by 15° and then 0° hip abduction during the bridging exercise. In contrast, the ES EMG amplitude at 30° hip abduction was significantly lesser than that at 0° and 15° abduction. Additionally, the anterior pelvic tilt angle was significantly lower at 30° hip abduction than at 0° or 15°. Bridging with 30° hip abduction can be recommended as an effective method to selectively facilitate GM muscle activity, minimize compensatory ES muscle activity, and decrease the anterior pelvic tilt angle.

References

Feb 2, 2012·The Journal of Manual & Manipulative Therapy·Amir Massoud ArabAli Mohammadifar
Aug 21, 2013·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·P J BarkerC A Briggs
Sep 30, 2014·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Sil-Ah ChoiJi-Hyun Lee

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Citations

Jun 23, 2020·Research in Sports Medicine·Indy Man Kit HoTze Chung Jim Luk
May 25, 2021·Journal of Sport Rehabilitation·Soo-Yong KimMin-Hyeok Kang

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